CN212885326U

CN212885326U - Multi-cylinder clamping device

Info

Publication number: CN212885326U
Application number: CN202021482440.2U
Authority: CN
Inventors: 杨松; 刘晓旭; 李俊峰; 郝京波; 周磊
Original assignee: Aetna Polytron Technologies Inc Beijing Airport New Material Branch; Advanced Technology and Materials Co Ltd
Current assignee: Aetna Polytron Technologies Inc Beijing Airport New Material Branch; Advanced Technology and Materials Co Ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-06
Anticipated expiration: 2030-07-24

Abstract

The utility model provides a multi-cylinder clamping device, wherein a first clamping piece is provided with a plurality of first accommodating grooves; the second clamping piece is provided with a plurality of second accommodating grooves; under the matching state of the first clamping piece and the second clamping piece, the plurality of first accommodating grooves are respectively opposite to the plurality of second accommodating grooves, any opposite first accommodating groove and any opposite second accommodating groove form a first accommodating cavity, and the first accommodating cavity is used for accommodating the cylinder; the fastener is used for applying pressure to the second clamping piece so as to press the cylinder in the first accommodating cavity; the utility model discloses a many cylinders clamping device can press from both sides tight a plurality of cylinders simultaneously, and then realizes cutting a plurality of cylinders simultaneously, has improved cutting efficiency.

Description

Multi-cylinder clamping device

Technical Field

The utility model belongs to the cutting equipment field, in particular to many cylinders clamping device.

Background

A microtome is a machine that cuts thin, uniform pieces of tissue that are held in a hard paraffin or other substance and automatically advanced the required distance by a microtome thickness gauge.

Need carry out magnetic property detection to the product after the heat treatment in the neodymium iron boron production process, detect with the product size for diameter 10 millimeters by 10 millimeters height, at first need use draw out the hole machine with the magnet processing for diameter 10 millimeters by 60 millimeters high cylinder magnet, then use the slicer to cut the magnet into diameter 10 millimeters by 10 millimeters for high cylinder magnet of detecting.

In prior art, neodymium iron boron slicer cutting cylinder body magnet, its magnet clamping device adopts triangle chuck to press from both sides tightly more, and triangle chuck generally only can press from both sides tight a cylinder, and can't press from both sides tightly simultaneously to a plurality of cylinders.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides a multi-cylinder clamping device, which includes a first clamping member, a second clamping member and a fastening member;

the first clamping piece is provided with a plurality of first accommodating grooves;

the second clamping piece is provided with a plurality of second accommodating grooves;

under the matching state of the first clamping piece and the second clamping piece, the plurality of first accommodating grooves are respectively opposite to the plurality of second accommodating grooves, any opposite first accommodating groove and any opposite second accommodating groove form a first accommodating cavity, and the first accommodating cavity is used for accommodating the cylinder;

the fastener is used for applying pressure to the second clamping piece so as to press the cylinder in the first accommodating cavity.

Preferably, the first clamping piece is provided with a second accommodating cavity, the plurality of first accommodating grooves are formed in the side wall of the second accommodating cavity, the plurality of first accommodating grooves penetrate through the first clamping piece, and the second clamping piece is located in the second accommodating cavity.

Preferably, the fastener is a bolt, a plurality of threaded holes are formed in the side wall, away from the plurality of first accommodating grooves, of the second accommodating cavity, and the bolt is matched in the threaded holes.

Preferably, the fastening member is an elastic member, and the elastic member is fixed on a side wall of the second accommodating cavity away from the plurality of first accommodating grooves.

Preferably, the first clamping member is provided with a plurality of first lower cutter grooves which are parallel to each other, the plurality of first lower cutter grooves penetrate through the first clamping member, and any first lower cutter groove is intersected with the plurality of first accommodating grooves;

the second clamping piece is provided with a plurality of second lower cutter grooves which are parallel to each other, the second cutter grooves penetrate through the second clamping piece, and any second lower cutter groove is crossed with the second accommodating grooves;

under the matching state of the first clamping piece and the second clamping piece, the plurality of first undercut grooves are respectively opposite to the plurality of second undercut grooves.

Preferably, the line connecting the plurality of first accommodating cavities is an arc line.

Preferably, the clamping device further comprises a baffle plate, the baffle plate is installed at the opening position of the second accommodating cavity, and the baffle plate is used for limiting the second clamping piece in the second accommodating cavity.

Preferably, the inner walls of the plurality of first accommodating grooves and/or the inner walls of the plurality of second accommodating grooves are provided with clamping grooves;

the multi-cylinder clamping device further comprises a plurality of rubber pieces, the rubber pieces are respectively installed in the clamping grooves, and the rubber pieces protrude out of the clamping grooves.

The utility model discloses a many cylinders clamping device can press from both sides tight a plurality of cylinders simultaneously, and then realizes cutting a plurality of cylinders simultaneously, has improved cutting efficiency.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 shows an isometric view of a multi-cylinder clamp of the present embodiment;

FIG. 2 shows an exploded view of the multi-cylinder clamp of the present embodiment;

fig. 3 shows a schematic view of a multi-cylinder clamping device and an insert in the present embodiment.

In the figure, 1-first clamping member, 11-first receiving groove, 12-threaded hole, 13-first part, 14-second part, 15-first undercut, 2-second clamping member, 21-second receiving groove, 22-clamping groove, 23-second undercut, 3-fastening member, 4-first receiving cavity, 5-blade, 6-baffle, 7-rubber member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the embodiment of the present invention provides a multi-cylinder clamping device for clamping a plurality of ndfeb cylindrical magnets simultaneously, so that cutting blade 5 cuts a plurality of ndfeb cylindrical magnets simultaneously, the multi-cylinder clamping device specifically includes first clamping member 1, second clamping member 2 and fastener 3.

The front surface of the first clamping piece 1 is in a D shape, a cavity inside the first clamping piece 1 is named as a second accommodating cavity, the second accommodating cavity is provided with an arc-shaped surface, and a plane is opposite to the arc-shaped surface. Six first accommodating grooves 11 are formed in the arc-shaped surface, the length directions of the six first accommodating grooves 11 are parallel to the depth direction of the second accommodating cavity and penetrate through the first clamping piece 1, the six first accommodating grooves 11 are arranged at equal intervals, and the cross sections of the first accommodating grooves 11 are large circles. First clamping piece 1 be equipped with four screw holes 12 on the plane, four screw holes 12 set up along six first storage tank 11's the direction of arranging in proper order, and the cooperation has the bolt in four screw holes 12 respectively, and the nut of bolt is located one side that second holding chamber was kept away from to first clamping piece 1, and the bolt rotates the in-process, and the one end that the nut was kept away from to the bolt can bulge in the plane, the size of the bolt that lies in both ends in this embodiment is greater than the size of two bolts that lie in the intermediate position, and on other design, the bolt can design for the same size.

The front of second clamping piece 2 is "D" shape, the material of second clamping piece 2 is Cr12mov, be equipped with six second storage tank 21 on the arcwall face of second clamping piece 2, the cross-section of six second storage tank 21 is the microcircle, second clamping piece 2 can cooperate in the second holding intracavity of first clamping piece 1 just, after second clamping piece 2 cooperates in the second holding intracavity, the outer wall of second clamping piece 2 laminates with the inner wall in second holding chamber just, and six first storage tank 11 are relative with six second storage tank 21 respectively, arbitrary relative first storage tank 11 and second storage tank 21 form first holding chamber 4, the conformal six first holding chamber 4 that become, the cross-section in first holding chamber 4 is circular, first holding chamber 4 is used for holding neodymium iron boron cylindrical magnet.

During cutting neodymium iron boron cylindrical magnet, at first four bolts of rotating, make four bolts and second clamping piece 2 not support and lean on, insert six neodymium iron boron cylindrical magnet in six first holding chamber 4, the one end protrusion in first holding chamber 4 ten millimeters of six neodymium iron boron cylindrical magnet, six neodymium iron boron cylindrical magnet are placed the back and are screwed four bolts, make four bolts and second clamping piece 2 support and lean on, thereby first clamping piece 1 and second clamping piece 2 press from both sides six neodymium iron boron cylindrical magnet tightly, neodymium iron boron cylindrical magnet can't remove and rotate in first holding chamber 4. Referring to fig. 3, blade 5 for cutting neodymium iron boron cylinder magnet is the loop configuration, six neodymium iron boron cylinder magnet are located the loop configuration, rotating blade 5, blade 5 is close to neodymium iron boron cylinder magnet simultaneously, gradually with six neodymium iron boron cylinder magnet cutting, the cutting back that finishes, four bolts of rotating, remove six neodymium iron boron cylinder magnet and make its tip protrusion in first holding chamber 4 ten millimeters, cut once more, so the circulation is reciprocal, the cutting of six neodymium iron boron cylinder magnet is finally accomplished.

After the neodymium iron boron cylindrical magnet is cut by the design method, the neodymium iron boron cylindrical magnet is moved once to cut the next neodymium iron boron cylindrical magnet, and the steps are troublesome. In order to improve the cutting efficiency, four first lower knife grooves 15 are arranged on the arc-shaped surface of the first clamping member 1, the four first lower knife grooves 15 penetrate through the arc-shaped surface of the first clamping member 1, the length direction of the four first lower knife grooves 15 is perpendicular to the length direction of the first accommodating grooves 11, each first lower knife groove 15 is crossed with the six first accommodating grooves 11, and the four first lower knife grooves 15 are arranged at equal intervals. Four second undercut grooves 23 are formed in the arc-shaped surface of the second clamping member 2, the length directions of the four second undercut grooves 23 are perpendicular to the length directions of the second accommodating grooves 21, the depth of each of the four second undercut grooves 23 is greater than that of each of the second accommodating grooves 23, each of the four second undercut grooves 23 intersects with six of the second accommodating grooves 23, and the four second undercut grooves 23 are arranged at equal intervals. After the second clamping member is fitted in the second receiving cavity, the four first undercut grooves 15 are respectively opposite to the four second undercut grooves 23. Blade 5 can get into first sword groove 15 and second sword groove 23 down during the cutting to cut off neodymium iron boron cylinder magnet, because, have four first sword grooves 15 second sword grooves 23 down, cut the quartic and can obtain four sections neodymium iron boron cylinder magnet, and need not remove neodymium iron boron cylinder magnet in the conversion process of quartic cutting, cutting efficiency is higher. In addition, the neodymium iron boron cylindrical magnets with different lengths can be obtained by cutting from different first lower cutter grooves 15.

The multi-cylinder clamping device in the embodiment is not limited to cutting neodymium iron boron cylindrical magnets, and can also cut cylinders made of other materials. The number of the first receiving grooves 11 and the second receiving grooves 21 is not limited to six, and may be less than six or more than six, and the number is set according to actual conditions, but at least two, if only one, the purpose of cutting the plurality of ndfeb cylindrical magnets at the same time to be achieved by the present embodiment is broken away. In the present embodiment, the cross-section of the first receiving groove 11 is a large circle, and the cross-section of the second receiving groove 21 is a small circle, in another design manner, the cross-section of the first receiving groove 11 may be designed to be a small circle, the cross-section of the second receiving groove 21 may be designed to be a large circle, or the cross-section of the first receiving groove 11 and the cross-section of the second receiving groove 21 may be designed to be semi-circles with equal areas. The sectional area of the first accommodating chamber 4 can be designed according to actual conditions. In this embodiment, the six first receiving grooves 11 are disposed at equal intervals, and may not be disposed at equal intervals in another design manner, so as to achieve the purpose of simultaneously cutting the plurality of ndfeb cylindrical magnets in this embodiment. In this embodiment, after the second clamping member 2 is placed in the second accommodating cavity, one side of the second clamping member 2 is attached to the plane of the second accommodating cavity, and in another design manner, it may also be designed that after the second clamping member 2 is placed in the second accommodating cavity, one side of the second clamping member 2 is spaced from the plane of the second accommodating cavity. The cross section of the first accommodating cavity 4 may not be circular, and may be pentagonal, hexagonal, etc., as long as it can clamp the ndfeb cylindrical magnet.

The line of six first holding chambeies 4 in this embodiment is the pitch arc, and this pitch arc is parallel with the pitch arc of one side blade 5, so when the cutting, blade 5 simultaneously with six neodymium iron boron cylinder magnet contacts, six neodymium iron boron cylinder magnet are cut off simultaneously. In another design, the connection line of the six first receiving cavities 4 may also be a straight line segment, a curved line segment, or the like.

The second holding chamber in this embodiment is through first clamping piece 1, in order to lock second clamping piece 2, after avoiding the bolt unscrewing, second clamping piece 2 moves in second holding intracavity, still include two baffles 6, baffle 6 passes through the screw installation in the both sides in second holding chamber, specifically be connected with first clamping piece 1, after four bolt unscrewing, because two baffles 6 are located the both sides of second clamping piece 2, second clamping piece 2 can't move along the line direction of two baffles 6.

In another design, the two blocking plates 6 can be integrally formed with the first clamping member 1, so that screws are not required to be arranged between the blocking plates 6 and the first clamping member 1 for connection.

Referring to fig. 2, the first clamping member 1 in this embodiment is formed by two parts, one part is a structure close to the arc-shaped surface of the first clamping member 1, and the other part is a structure close to the plane of the first clamping member 1, and the two parts are spliced to form the complete first clamping member 1. Simultaneously two parts still are in the same place through the fixed amalgamation of two baffles 6, will be close to that partial structure of arcwall face and be close to that partial structure of plane and name first part 13 and second part 14 respectively, the both sides of first part 13 are equipped with two screw holes respectively, the both sides of second part 14 are equipped with two screw holes respectively, the structure of two baffles 6 is the same, baffle 6 is the rectangle structure, four angles of baffle 6 are equipped with the screw hole respectively, the screw and the screw hole on baffle 6, screw hole and the screw hole cooperation on the second part 14 on the first part 13, thereby fix first part 13, second part 14 and two baffles 6 together.

In another design, the second clamping member 2 is not limited to be fastened by using a bolt, but the second clamping member 2 may also be fastened by using an elastic member, for example, the elastic member is fixed on a plane of the second accommodating cavity, the second clamping member 2 is sent into the second accommodating cavity and then abuts against the elastic member, under the action of the elastic force of the elastic member, the neodymium iron boron cylindrical magnet is clamped by the second clamping member 2, and the elasticity may be a spring, a rubber pad, or the like. The bolt can be replaced by a jackscrew, and the second clamping piece 2 can be forced to clamp the neodymium iron boron cylindrical magnet by rotating the jackscrew.

The size of waiting the neodymium iron boron cylinder magnet of cutting has the tolerance, therefore the size between six neodymium iron boron cylinder magnets all has tiny difference, so six neodymium iron boron cylinder magnets are difficult to press from both sides tightly simultaneously. In order to solve the problem, each ndfeb cylindrical magnet can be clamped in the first accommodating cavity 4, a clamping groove 22 is arranged on the inner wall of each second accommodating cavity 21, the clamping groove 22 in the embodiment is in a long strip shape, the length of the clamping groove 22 is equal to that of the second accommodating cavity 21, and the cross section of the clamping groove 22 is a large circle. The multi-cylinder clamping device further comprises six rubber pieces 7, wherein the rubber pieces 7 in the embodiment are rubber strips, and the six rubber strips are respectively located in the six clamping grooves 22 and protrude out of the clamping grooves 22. The neodymium iron boron cylinder magnet is placed and is got into back in the first holding chamber 4, and the bolt of screwing because rubber strip protrusion in clamping groove 22, the rubber strip is preferred to be supported with neodymium iron boron cylinder magnet and is leaned on, offsets the dimensional tolerance of different neodymium iron boron cylinder magnets, ensures that the size of every neodymium iron boron cylinder magnet exists the tolerance and can both be pressed from both sides tightly.

In another design, the clamping groove 22 may be disposed on the inner wall of the first accommodating groove 11, or the clamping groove 22 may be disposed on both the inner wall of the first accommodating groove 11 and the inner wall of the second accommodating groove 21. The structure of the rubber 7 is not limited to the rubber strip, and may also be designed to be a granular structure, specifically, a sphere, a cube, a cylinder, a prism, etc., and the adaptive clamping groove 22 is a corresponding shape structure, so that it is ensured that the rubber 7 can be accommodated and the rubber 7 protrudes out of the clamping groove 22. Rubber 7 places and gets into back in the tight groove 22 of clamp, the bolt of screwing because rubber strip protrusion in the tight groove 22 of clamp, the rubber strip is preferred to be supported with neodymium iron boron cylinder magnet and is leaned on, offsets the dimensional tolerance of different neodymium iron boron cylinder magnets, can ensure equally that the size of every neodymium iron boron cylinder magnet has tolerance and can both be pressed from both sides tightly.

The shape structure of the first clamping member 1 and the second clamping member 2 is not limited to that illustrated in this embodiment, for example, the first clamping member 1 and the second clamping member 2 are respectively a cube structure, the first clamping member 1 is provided with a guide post, the second clamping member 2 is slidably mounted on the guide post, a plurality of first accommodating grooves 11 and a plurality of second accommodating grooves 21 are respectively arranged on the opposite surfaces of the first clamping member 1 and the second clamping member 2, the first clamping member 1 is provided with a threaded hole 12, the second clamping member 2 is provided with a through hole, the through hole and the threaded hole 12 are coaxially arranged, the fastening member 3 is a bolt, the bolt passes through the through hole and is matched with the threaded hole 12, the bolt is rotated, the second clamping member 2 can be abutted against the first clamping member 1, and a plurality of neodymium iron.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A multi-cylinder clamp, characterized by comprising a first clamp (1), a second clamp (2) and a fastener (3);

the first clamping piece (1) is provided with a plurality of first accommodating grooves (11);

the second clamping piece (2) is provided with a plurality of second accommodating grooves (21);

under the matching state of the first clamping piece (1) and the second clamping piece (2), the plurality of first accommodating grooves (11) are respectively opposite to the plurality of second accommodating grooves (21), a first accommodating cavity (4) is formed by the first accommodating groove (11) and the second accommodating groove (21) which are randomly opposite, and the first accommodating cavity (4) is used for accommodating the cylinder;

the fastening piece (3) is used for applying pressure to the second clamping piece (2) to press the cylinder in the first accommodating cavity (4).

2. Multi-cylinder clamping device according to claim 1, characterised in that the first clamping piece (1) is provided with a second receiving chamber, in the side wall of which a plurality of first receiving slots (11) are provided, which plurality of first receiving slots (11) extend through the first clamping piece (1), in which second receiving chamber the second clamping piece (2) is located.

3. Multi-cylinder clamping device according to claim 2, characterised in that the fastening means (3) is a screw, and that the side wall of the second receiving chamber remote from the first receiving chambers (11) is provided with a plurality of threaded holes (12), into which threaded holes (12) the screw fits.

4. Multi-cylinder clamping device according to claim 2, characterised in that the fastening means (3) are elastic elements fixed to the side wall of the second housing chamber remote from the plurality of first housing grooves (11).

5. Multi-cylinder clamping device according to claim 2,

the first clamping piece (1) is provided with a plurality of first lower cutter grooves (15) which are parallel to each other, the plurality of first lower cutter grooves (15) penetrate through the first clamping piece (1), and any first lower cutter groove (15) is crossed with the plurality of first accommodating grooves (11);

the second clamping piece (2) is provided with a plurality of second undercut grooves (23) which are parallel to each other, the plurality of second undercut grooves (23) penetrate through the second clamping piece (2), and any second undercut groove (23) is crossed with the plurality of second accommodating grooves (21);

the plurality of first undercut grooves (15) are respectively opposite to the plurality of second undercut grooves (23) when the first clamping member (1) and the second clamping member (2) are in a matched state.

6. Multi-cylinder clamping device according to any one of claims 1 to 5, characterised in that the line of the first plurality of housing chambers (4) is curved.

7. Multi-cylinder clamping device according to any one of claims 2 to 5, characterised in that it further comprises a baffle (6), the baffle (6) being mounted in the open position of the second housing chamber, the baffle (6) being intended to confine the second clamping member (2) within the second housing chamber.

8. The multi-cylinder clamping device according to claim 1, wherein the inner walls of the plurality of first receiving grooves (11) and/or the inner walls of the plurality of second receiving grooves (21) are provided with clamping grooves (22);

the multi-cylinder clamping device further comprises a plurality of rubber pieces (7), the rubber pieces (7) are respectively installed in the clamping grooves (22), and the rubber pieces (7) protrude out of the clamping grooves (22).